The Values in Violence: Organizational and Political Objectives of Terrorist Groups William L. Waugh, Jr. PDF (English)
Roy Godson (ed.), Intelligence Requirements for the 1980's: Clandestine Collection (No. 5) Wesley K. Wark PDF (English)
Patrick J. Montana and George S. Roukis (eds.), Managing Terrorism: Strategies for the Corporate Executive Stephen Sloan PDF (English)